Simplify by writing the expression with positive exponents. Assume that all variables represent nonzero real numbers.
-4
A. 
B. 
C. 
D. 
Answer: C
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Find the common ratio for the geometric sequence.3, -9, 27, -81, 243
A. -3 B. -12 C. Not geometric D. 3
Represent the circuit with a logical form.
A. p ? (q ? r) B. p ? (q ? r) C. (p ? q) ? r D. (p ? q) ? r
Solve the problem.In the town of Chesapeake, the temperature during the month of February was always within 16 degrees of the average temperature which was 43 degrees Fahrenheit. Write an absolute value inequality that describes the possible values of T, a temperature in Chesapeake during the month of February. Solve the inequality.
A. 
? 43
Temperatures range from -27° F to 59° F.
B. 
? 43
Temperatures range from 27° F to 59° F.
C. 
? 16
Temperatures range from 27° F to 59° F.
D. 
? 16
Temperatures range from 43° F to 59° F.
For the pair of functions, determine the domain of f + g.f(x) = 4x + 2, g(x) = 2x + 1
A. (0, ?) B. (-?, 0) or (0, ?) C. (-?, ?)(-?, ?) D. (-?, -4) or (-4, ?)